* {
  margin: 0;
  padding: 0;
  font-family: "微软雅黑";
}
a {
  text-decoration: none;
}
.clear:after {
  content: "";
  overflow: hidden;
  display: block;
  clear: both;
  height: 0;
}
.clear {
  -ms-zoom: 1;
}
a {
  text-decoration: none;
  color: #fff;
}
ul li {
  list-style: none;
}
/*banner 开始*/
.banner {
  position: relative;
}
.banner-txt {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  text-align: center;
}
.txt-hide,
.txt-hide2,
.txt-hide3 {
  display: none;
}
.banner-txt1,
.banner-a {
  color: #fff;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
}
.banner-txt2 {
  color: #ffe100;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
}
.banner-btn {
  margin-left: 208px;
  display: block;
  font-size: 20px;
  font-weight: bold;
  height: 60px;
  margin-top: 56px;
  border-radius: 5px;
  color: #ffe100;
  line-height: 60px;
  border: 1px solid #ffe100;
  width: 200px;
  text-align: center;
}
.banner-btn:hover {
  transition: all 0.8s;
  background: #ffe100;
  color: #000;
}
.banner .img {
  position: relative;
  width: 100%;
  height: 579px;
}
.banner .img img {
  width: 100%;
  height: 579px;
  position: absolute;
  right: 0;
  top: 0;
}
.icon {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  bottom: 20px;
}
.icon span {
  float: left;
  width: 15px;
  height: 15px;
  border-radius: 15px;
  background-color: lightgrey;
  z-index: 1000;
  margin-right: 10px;
  display: inline-block;
}
.icon .active {
  background-color: #ffe100;
}
#showContent {
  width: 100%;
  height: 579px;
  background: rgba(0, 0, 0, 0.5);
}
